PROCESS FOR PRODUCING FLUX FOPR CONCRETE

PROCESS FOR PRODUCING FLUX FOPR CONCRETE

A levelling (flow promoting) additive for concrete comprises (all pts. wt.): 100 molten beta-naphthalene-sulphonic acid and based on this 2-30 sugar free lignin-sulphonate. The mixt. is heated to 65-70 deg.C. 5-30 aq. conc. formaldehyde soln. The mixt. is agitated at 80-85 deg.C and subsequently neu...

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Hauptverfasser: LELKESNE EROES,MARIA,HU, SZABO,KAROLYNE,HU, KAVASSY,MIKLOS,HU, HORVATH,ISTVANNE,HU, JUHASZ,EVA,HU, TOTH,BELA,HU, NEMETH,GABORNE,HU
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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creator LELKESNE EROES,MARIA,HU
SZABO,KAROLYNE,HU
KAVASSY,MIKLOS,HU
HORVATH,ISTVANNE,HU
JUHASZ,EVA,HU
TOTH,BELA,HU
NEMETH,GABORNE,HU
description A levelling (flow promoting) additive for concrete comprises (all pts. wt.): 100 molten beta-naphthalene-sulphonic acid and based on this 2-30 sugar free lignin-sulphonate. The mixt. is heated to 65-70 deg.C. 5-30 aq. conc. formaldehyde soln. The mixt. is agitated at 80-85 deg.C and subsequently neutralised with sodium hydroxide. 50-150 sugar free lignin-sulphonate . pH is set to 6.5-7.5; the mix is filtered and finally 0.01-0.5% antifoam and 5-10% setting and solidification aid is added. The mixt. is opt. diluted, concentrated or dried to powder.
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title PROCESS FOR PRODUCING FLUX FOPR CONCRETE
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